Retail mode flag and some clients for it
Bug: 27280140
Change-Id: Ide33e941b9c71eb925b5977d0b0d62198537ca14
diff --git a/core/java/android/content/pm/UserInfo.java b/core/java/android/content/pm/UserInfo.java
index dd3a36c..6cd8403 100644
--- a/core/java/android/content/pm/UserInfo.java
+++ b/core/java/android/content/pm/UserInfo.java
@@ -28,8 +28,8 @@
*/
public class UserInfo implements Parcelable {
- /** 8 bits for user type */
- public static final int FLAG_MASK_USER_TYPE = 0x000000FF;
+ /** 16 bits for user type */
+ public static final int FLAG_MASK_USER_TYPE = 0x0000FFFF;
/**
* *************************** NOTE ***************************
@@ -87,6 +87,11 @@
*/
public static final int FLAG_EPHEMERAL = 0x00000100;
+ /**
+ * User is for demo purposes only and can be removed at any time.
+ */
+ public static final int FLAG_DEMO = 0x00000200;
+
public static final int NO_PROFILE_GROUP_ID = UserHandle.USER_NULL;
public int id;
@@ -153,6 +158,10 @@
return (flags & FLAG_INITIALIZED) == FLAG_INITIALIZED;
}
+ public boolean isDemo() {
+ return (flags & FLAG_DEMO) == FLAG_DEMO;
+ }
+
/**
* Returns true if the user is a split system user.
* <p>If {@link UserManager#isSplitSystemUser split system user mode} is not enabled,
diff --git a/core/java/android/os/UserManager.java b/core/java/android/os/UserManager.java
index dcec982..2613994 100644
--- a/core/java/android/os/UserManager.java
+++ b/core/java/android/os/UserManager.java
@@ -1972,6 +1972,10 @@
if (!supportsMultipleUsers()) {
return false;
}
+ // If Demo Mode is on, don't show user switcher
+ if (isDeviceInDemoMode(mContext)) {
+ return false;
+ }
List<UserInfo> users = getUsers(true);
if (users == null) {
return false;
@@ -1988,6 +1992,14 @@
}
/**
+ * @hide
+ */
+ public static boolean isDeviceInDemoMode(Context context) {
+ return Settings.Global.getInt(context.getContentResolver(),
+ Settings.Global.DEVICE_DEMO_MODE, 0) > 0;
+ }
+
+ /**
* Returns a serial number on this device for a given userHandle. User handles can be recycled
* when deleting and creating users, but serial numbers are not reused until the device is wiped.
* @param userHandle
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index f04b2d4..a5c2500 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -8538,6 +8538,15 @@
public static final String SAFE_BOOT_DISALLOWED = "safe_boot_disallowed";
/**
+ * Whether this device is currently in retail demo mode. If true, device
+ * usage is severely limited.
+ * <p>
+ * Type: int (0 for false, 1 for true)
+ * @hide
+ */
+ public static final String DEVICE_DEMO_MODE = "device_demo_mode";
+
+ /**
* Settings to backup. This is here so that it's in the same place as the settings
* keys and easy to update.
*
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index e64d905..904523a 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2481,4 +2481,7 @@
<string-array translatable="false" name="config_defaultPinnerServiceFiles">
</string-array>
+ <!-- Component that is the default launcher when demo mode is enabled. -->
+ <string name="config_demoModeLauncherComponent"></string>
+
</resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 9b7fbd8..ae38fef 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1104,6 +1104,7 @@
<java-symbol type="string" name="lockscreen_transport_pause_description" />
<java-symbol type="string" name="config_ethernet_tcp_buffers" />
<java-symbol type="string" name="config_wifi_tcp_buffers" />
+ <java-symbol type="string" name="config_demoModeLauncherComponent" />
<java-symbol type="plurals" name="bugreport_countdown" />
<java-symbol type="plurals" name="duration_hours" />
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index cad7f64..c8e74ec 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -399,8 +399,7 @@
sendUserPresentBroadcast();
synchronized (KeyguardViewMediator.this) {
// If system user is provisioned, we might want to lock now to avoid showing launcher
- if (UserManager.isSplitSystemUser()
- && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM) {
+ if (mustNotUnlockCurrentUser()) {
doKeyguardLocked(null);
}
}
@@ -599,7 +598,6 @@
return KeyguardSecurityView.PROMPT_REASON_WRONG_CREDENTIAL;
}
-
return KeyguardSecurityView.PROMPT_REASON_NONE;
}
};
@@ -608,6 +606,11 @@
mPM.userActivity(SystemClock.uptimeMillis(), false);
}
+ boolean mustNotUnlockCurrentUser() {
+ return (UserManager.isSplitSystemUser() || UserManager.isDeviceInDemoMode(mContext))
+ && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM;
+ }
+
private void setupLocked() {
mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
mWM = WindowManagerGlobal.getWindowManagerService();
@@ -1176,8 +1179,7 @@
}
// In split system user mode, we never unlock system user.
- if (!UserManager.isSplitSystemUser()
- || KeyguardUpdateMonitor.getCurrentUser() != UserHandle.USER_SYSTEM
+ if (!mustNotUnlockCurrentUser()
|| !mUpdateMonitor.isDeviceProvisioned()) {
// if the setup wizard hasn't run yet, don't show
@@ -1615,8 +1617,7 @@
synchronized (KeyguardViewMediator.this) {
if (DEBUG) Log.d(TAG, "handleHide");
- if (UserManager.isSplitSystemUser()
- && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM) {
+ if (mustNotUnlockCurrentUser()) {
// In split system user mode, we never unlock system user. The end user has to
// switch to another user.
// TODO: We should stop it early by disabling the swipe up flow. Right now swipe up
diff --git a/services/core/java/com/android/server/am/UserController.java b/services/core/java/com/android/server/am/UserController.java
index c4e39c9..112a6bee 100644
--- a/services/core/java/com/android/server/am/UserController.java
+++ b/services/core/java/com/android/server/am/UserController.java
@@ -223,6 +223,8 @@
private void finishUserBoot(UserState uss, IIntentReceiver resultTo) {
final int userId = uss.mHandle.getIdentifier();
+ boolean deviceInDemoMode = UserManager.isDeviceInDemoMode(mService.mContext);
+ boolean switchToDemoUser = false;
Slog.d(TAG, "Finishing user boot " + userId);
synchronized (mService) {
// Bail if we ended up with a stale user
@@ -259,7 +261,32 @@
} else {
maybeUnlockUser(userId);
}
+ if (deviceInDemoMode && mCurrentUserId == UserHandle.USER_SYSTEM) {
+ switchToDemoUser = true;
+ }
}
+
+ if (switchToDemoUser) {
+ doSwitchToDemoUser();
+ }
+ }
+
+ private void doSwitchToDemoUser() {
+ mHandler.post(new Runnable() {
+ @Override
+ public void run() {
+ // Remove any demo users first
+ for (UserInfo user: mUserManager.getUsers(true)) {
+ if (user.isDemo()) {
+ mUserManager.removeUser(user.id);
+ }
+ }
+ UserInfo demoUser = mUserManager.createUser("Demo", UserInfo.FLAG_DEMO);
+ if (demoUser != null) {
+ mService.switchUser(demoUser.id);
+ }
+ }
+ });
}
/**
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index 33ccf16..ff17552 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -28,6 +28,7 @@
import android.app.ActivityManager;
import android.app.ActivityManagerInternal;
import android.app.ActivityManagerNative;
+import android.app.AppGlobals;
import android.app.IActivityManager;
import android.app.IStopUserCallback;
import android.app.KeyguardManager;
@@ -70,6 +71,7 @@
import android.system.ErrnoException;
import android.system.Os;
import android.system.OsConstants;
+import android.text.TextUtils;
import android.util.AtomicFile;
import android.util.IntArray;
import android.util.Log;
@@ -414,7 +416,9 @@
// user restriction was not a default guest restriction.
setUserRestriction(UserManager.DISALLOW_CONFIG_WIFI, true, currentGuestUser.id);
}
- }
+
+ maybeInitializeDemoMode(UserHandle.USER_SYSTEM);
+}
@Override
public String getUserAccount(int userId) {
@@ -2710,6 +2714,8 @@
mPm.onBeforeUserStartUninitialized(userId);
}
}
+
+ maybeInitializeDemoMode(userId);
}
/**
@@ -2724,6 +2730,7 @@
/**
* Make a note of the last started time of a user and do some cleanup.
+ * This is called with ActivityManagerService lock held.
* @param userId the user that was just foregrounded
*/
public void onUserLoggedIn(@UserIdInt int userId) {
@@ -2741,6 +2748,24 @@
scheduleWriteUser(userData);
}
+ private void maybeInitializeDemoMode(int userId) {
+ if (UserManager.isDeviceInDemoMode(mContext)) {
+ String demoLauncher =
+ mContext.getResources().getString(
+ com.android.internal.R.string.config_demoModeLauncherComponent);
+ if (!TextUtils.isEmpty(demoLauncher)) {
+ ComponentName componentToEnable = ComponentName.unflattenFromString(demoLauncher);
+ try {
+ AppGlobals.getPackageManager().setComponentEnabledSetting(componentToEnable,
+ PackageManager.COMPONENT_ENABLED_STATE_ENABLED, /* flags= */ 0,
+ /* userId= */ userId);
+ } catch (RemoteException re) {
+ // Internal, shouldn't happen
+ }
+ }
+ }
+ }
+
/**
* Returns the next available user id, filling in any holes in the ids.
* TODO: May not be a good idea to recycle ids, in case it results in confusion